ASCO NUMATICS 219-916 Hydraulics Pneumatics

( Brand: Asco Numatics ), ( Manufacturer Part Number: 219-916 ), ( Part Type: Hydraulic Pneumatic )

Review ASCO NUMATICS 219916 Used

The **ASCO Numatics 219-916 (219916)** is a high-performance, normally closed, spring-return pneumatic solenoid valve designed for reliable and efficient control of compressed air in industrial automation applications. Part of ASCO s renowned **219 Series**, this valve is engineered to deliver precise and consistent operation in demanding environments where dependability and durability are critical. Constructed with a robust **brass body**, the 219-916 is built to withstand the rigors of continuous use, offering exceptional resistance to corrosion and wear, making it ideal for applications in manufacturing, packaging, material handling, and automation systems. The valve features a **direct-acting design**, ensuring quick and responsive actuation with minimal hysteresis, which translates to faster cycle times and improved overall system efficiency.

This solenoid valve operates on a **24V DC or 120V AC** supply, providing flexibility for integration into a wide range of control systems. Its **normally closed (NC) configuration** means that when power is removed, the valve defaults to blocking airflow, which enhances safety by preventing unintended air release in the event of a power failure or system interruption. The valve s **pilot-operated design** allows for smooth and silent operation, reducing noise levels in sensitive environments while maintaining high flow rates up to **100 SCFM (Standard Cubic Feet per Minute)** to meet the demands of high-volume applications. The **quick-exhaust feature** further enhances performance by rapidly venting air, minimizing response time and improving system responsiveness.

The 219-916 is equipped with a **durable coil assembly** that is sealed against moisture and contaminants, ensuring long-term reliability even in harsh conditions. The valve s **metal-to-metal sealing** mechanism provides a tight shutoff, reducing air leakage and maintaining system integrity. Additionally, its **compact and modular design** allows for easy installation and integration into existing pneumatic circuits, with standard **1/4-inch NPT or 1/4-inch G ports** for seamless connectivity. The valve s **low power consumption** and **long operational lifespan** make it a cost-effective solution for both new installations and retrofitting existing systems.

For enhanced safety and ease of maintenance, the 219-916 includes **quick-disconnect fittings**, allowing for rapid removal and replacement of components without the need for specialized tools. The valve s **self-diagnostic capabilities** and **fail-safe design** ensure that any operational issues can be quickly identified and addressed, minimizing downtime. Whether used in automated assembly lines, testing equipment, or material transport systems, this solenoid valve delivers consistent and reliable performance, making it a trusted choice for engineers and technicians seeking a dependable pneumatic control solution. Its combination of precision engineering, durability, and versatility ensures it remains a cornerstone in industrial automation for years to come.

### **ASCO Numatics 219-916 Solenoid Valve: Pros and Cons**

#### **Overview**

The **ASCO Numatics 219-916** is a **2-way, normally closed (NC), direct-acting pneumatic solenoid valve** commonly used in industrial automation, pneumatic systems, and control applications. It operates on **24V DC** and is designed for general-purpose air control.

---

### **Pros**

1. **Reliability and Durability**

- ASCO Numatics is a well-established brand known for high-quality, long-lasting solenoid valves. The 219-916 is built for industrial use, with robust construction to withstand frequent cycling and harsh environments.

- Features a **sealed internal mechanism**, reducing wear and tear over time.

2. **Compact and Space-Efficient Design**

- The valve is relatively small and lightweight, making it suitable for applications with limited installation space.

- Standardized mounting options (e.g., flanged or threaded) allow for easy integration into existing systems.

3. **Direct-Acting Operation**

- As a **direct-acting valve**, it does not require external pilot air, simplifying the control circuit and reducing dependency on auxiliary components.

- Faster response time compared to pilot-operated valves in many cases.

4. **Wide Voltage Range Compatibility**

- Operates on **24V DC**, which is a common industrial standard, making it compatible with most PLCs, controllers, and power supplies.

- Some models may also support **24V AC** (verify with the datasheet).

5. **Easy Installation and Maintenance**

- Simple **push-in or screw-type terminal connections** for wiring, reducing installation time.

- Minimal maintenance required typically only requires periodic cleaning of air filters and checking for leaks.

6. **Cost-Effective for General Applications**

- While not the cheapest solenoid valve on the market, it offers a **good balance of performance and price** for standard pneumatic control tasks.

- Widely available, with easy access to spare parts and replacements.

7. **Compatibility with Standard Air Fittings**

- Uses **standard G " or NPT threaded connections**, ensuring compatibility with most pneumatic tubing and fittings.

- Works with compressed air pressures typically ranging from **0.2 to 10 bar (3 to 145 psi)**.

8. **Low Power Consumption**

- Operates efficiently on **24V DC**, consuming minimal electrical power, which is beneficial for energy-sensitive applications.

9. **Good for Low-Flow Applications**

- Suitable for **small to medium airflow rates**, making it ideal for single-actuator control (e.g., clamps, grippers, or simple cylinders).

10. **CE and Industry Certifications**

- Meets **CE and other industry safety standards**, ensuring compliance with European and global regulations.

---

### **Cons**

1. **Limited Flow Rate**

- The **219-916 is not designed for high-flow applications**. It has a **low flow capacity** (typically around **100 L/min at 6 bar**), making it unsuitable for large actuators or high-speed pneumatic systems.

- For higher flow needs, a **pilot-operated valve** (e.g., ASCO 219-926 series) would be more appropriate.

2. **No Built-In Pressure Regulation**

- Unlike some advanced solenoid valves, the **219-916 does not regulate pressure internally**. It simply opens or closes the air path, requiring external pressure regulators if precise control is needed.

3. **Sensitive to Contaminated Air**

- Like most pneumatic valves, it is **vulnerable to moisture, oil, and debris** in the compressed air supply. Poor air quality can lead to **sticking, reduced lifespan, or failure**.

- Requires **proper filtration and drying** in the air supply system.

4. **Limited Environmental Resistance**

- While durable, it is **not rated for extreme conditions** (e.g., high humidity, corrosive environments, or temperature extremes beyond **0 C to 60 C**).

- For harsh environments, consider **stainless steel or explosion-proof models**.

5. **No Built-In Diagnostics**

- Unlike some modern smart valves, the **219-916 lacks built-in diagnostic features** (e.g., failure detection, position feedback). Troubleshooting may require external sensors or manual checks.

6. **Wiring and Connection Complexity**

- While simple, **incorrect wiring (e.g., reversed polarity) can damage the coil**. Users must ensure proper connection to avoid burnout.

- Some installations may require **additional components** (e.g., relays, contactors) for safety or control logic.

7. **Not Suitable for High-Speed Cycling**

- Frequent, rapid on-off cycling can **reduce the valve s lifespan** due to mechanical stress on the internal components.

- For high-cycle applications, a **more robust or pilot-operated valve** may be necessary.

8. **Limited Customization Options**

- Unlike some high-end valves, the **219-916 has minimal customization** (e.g., no built-in timers, proportional control, or digital interfaces).

- Users must rely on external controllers for advanced functionality.

9. **Potential for Leaks Over Time**

- Seals and O-rings can **wear out with age or improper maintenance**, leading to **air leaks** and reduced efficiency.

- Regular inspection is recommended to prevent performance degradation.

10. **No Integrated Safety Features**

- Unlike **safety-rated solenoid valves**, the **219-916 does not have fail-safe mechanisms** (e.g., fail-open/close in case of power loss).

- For safety-critical applications, additional safeguards (e.g., pilot valves, mechanical locks) are required.

---

### **Conclusion**

The **ASCO Numatics 219-916** is a **reliable, cost-effective, and easy-to-install solenoid valve** ideal for **general-purpose pneumatic control** where **low to medium airflow** is required. It excels in **simplicity, durability, and compatibility** with standard industrial setups, making it a **popular choice for basic automation tasks**.

However, it is **not suitable for high-flow, high-speed, or safety-critical applications**. Its **limited flow capacity, lack of pressure regulation, and sensitivity to air quality** mean it may require **additional components** (e.g., filters, regulators, external controllers) for optimal performance.

For users needing **higher flow rates, proportional control, or advanced diagnostics**, a **pilot-operated or smart solenoid valve** (e.g., ASCO 219-926 series or ASCO 219-936) would be a better investment.

---

### **Recommendation**

You need a **simple, reliable, and affordable** solenoid valve for **low to medium airflow applications**.

Your system operates in a **controlled environment** with **clean, dry compressed air**.

You require **24V DC operation** and **standardized mounting options**.

The valve will be used in **non-critical, general-purpose control** (e.g., clamps, simple cylinders, or light-duty actuators).

You need **high flow rates** (e.g., large actuators, high-speed pneumatic systems).

Your application requires **pressure regulation, proportional control, or advanced diagnostics**.

The environment is **harsh (extreme temperatures, high humidity, corrosive gases)**.

You need **fail-safe or safety-rated performance** (e.g., in machinery protection systems).

The valve will be subjected to **extreme cycling or high mechanical stress**.

- **For higher flow:** ASCO Numatics **219-926** (pilot-operated).

- **For proportional control:** ASCO Numatics **219-936** (proportional solenoid valve).

- **For safety-critical applications:** ASCO Numatics **safety-rated valves** or **pilot-operated fail-safe models**.

- **For extreme environments:** **Stainless steel or explosion-proof solenoid valves** from ASCO or other brands.

The **219-916 is a solid choice for basic pneumatic control** where simplicity and reliability are prioritized. However, **careful consideration of airflow requirements, air quality, and application demands** is essential to ensure it meets your needs without compromising performance.

Details:

Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such.

part #: 219916 price

• $279.00

specifications generapneumati:

• brand: Asco Numatics
• mpn: 219-916
• part type: Hydraulic Pneumatic

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• transit: 24-36 Days
• type: Fixed
• cost: $12.90
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• # reviews: 194472
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offer generapneumati:

• started: March 13, 2026
• quantity: 1
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• availability: In Stock

general generapneumati:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics

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